CN102691285A - Channel ship elevator device and method for solving errors of water depth - Google Patents
Channel ship elevator device and method for solving errors of water depth Download PDFInfo
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- CN102691285A CN102691285A CN2012101702888A CN201210170288A CN102691285A CN 102691285 A CN102691285 A CN 102691285A CN 2012101702888 A CN2012101702888 A CN 2012101702888A CN 201210170288 A CN201210170288 A CN 201210170288A CN 102691285 A CN102691285 A CN 102691285A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
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Abstract
The invention relates to a channel ship elevator device and a method for solving errors of water depth, in particular to a method and a device for solving the problem that a ship elevator cannot operate safely due to the errors of water depth caused by unsteady reciprocating flow. Gate piers are arranged on two sides of a dam channel; a ship bearing carriage is arranged in the dam channel; a ship elevator upper lock head and a ship elevator lower lock head are arranged in the upstream area and the downstream area of the ship bearing carriage respectively; auxiliary gate piers are arranged at the upstream port of the dam channel; an upstream wave prevention door is arranged in the auxiliary gate piers; and a downstream wave prevention door is arranged in the downstream channel of the dam channel. According to the channel ship elevator device for solving the errors of water depth, the wave prevention gates and corresponding auxiliary lock heads and gate chambers are additionally arranged in the upstream and the downstream of the ship elevator, the safety of the operation process of the ship elevator can be improved, and accumulation errors of water depth cannot be caused in the ship bearing carriage.
Description
Technical field
The present invention relates to a kind of navigation channel ship lift device and method that mistake is carried the depth of water that solves, is that a kind of ship lift that solves carries method and device that the depth of water can not safe operation because of non-constant reversing current causes mistake.
Background technology
Be to guarantee the unobstructed dam of crossing of fleet safety, must build, with navigation, at a distance from stream, anti-ly become silted up, subtract and become silted up and means such as Shu Shuichong silts, solve Ba Qu and hinder to navigate and deposit and open the navigation or air flight the flow condition problem at a distance from stream sand blocking dam and sand surfing engineering.Because flow condition changes and multiple factor affecting, all will produce non-constant reversing current in the upper and lower stream approach channel, causes water-level fluctuation.According to ship lift design outline regulation, the precondition of the normal operation of ship lift is: ship lift upstream and downstream water level is the benchmark of ship reception chamber stop position; It is 20cm that ship reception chamber allows mistake to carry the depth of water, contains to stop error 5cm, and when the ship reception chamber water-level fluctuation value that causes when reversing current surpasses it and allows mistake to carry water depth value (particularly the long wave influence is bigger), ship lift can not safe operation, and something must be done to solves.The unsteady flow wave source mainly contains two in the navigation structure upper approach: the swing of first main flow in flood season, and extrusion mouth door district refluxes, and makes it produce cyclically-varying, in approach channel, forms reversing current; It two is reversing currents in the approach channel that causes of lock filling.It is the main cause that causes the lower approach water-level fluctuation that the water yield in power station is regulated.
Summary of the invention
The present invention is directed to above-mentioned deficiency a kind of navigation channel ship lift device and method that mistake is carried the depth of water that solves is provided.
The present invention adopts following technical scheme:
A kind of navigation channel ship lift device that mistake is carried the depth of water that solves of the present invention comprises dam boat groove, gate pier, ship lift head bay, ship reception chamber, ship lift tail-bay; Gate pier is arranged in described dam boat groove both sides, in the dam boat groove ship reception chamber is set, and in the upstream and the catchment of ship reception chamber ship lift head bay and ship lift tail-bay is set respectively; Comprise that also the upper reaches prevent the ripple door, auxiliary gate pier, the ripple door is prevented in downstream; The upstream port of described dam boat groove is arranged auxiliary gate pier, the anti-ripple door in the interior layout upper reaches of auxiliary gate pier, and the anti-ripple door in downstream is arranged in the channel downstream of dam boat groove.
Solution mistake of the present invention is carried the navigation channel ship lift device of the depth of water, and the anti-ripple door of anti-ripple door in the described upper reaches or downstream is the peaceful plate gate that a fan has the door of droping to the ground.
Solution mistake of the present invention is carried the navigation channel ship lift device of the depth of water, arranges on the anti-ripple door in the upper reaches that filling the sluicing wicket supplies water delivery in the dam boat groove; The downstream of dam boat groove are through the loop culvert filling and emptying system water delivery.
Solution mistake of the present invention is carried the navigation channel ship lift device of the depth of water, it is characterized in that: described gate pier or auxiliary gate pier are to separate gravity abutment pier, assign a work in the described gate pier gate slot, maintenance gate slot; Dun Ding arranges bridge machine framed bent.
Solution mistake of the present invention is carried the navigation channel ship lift dress of the depth of water, also comprises the adjusting stoplog; Described adjusting stoplog is to be embedded between working gate slot, is positioned over massive plate gate lower end.
The method that solution mistake of the present invention is carried the navigation channel ship lift device of the depth of water, method is following:
1), descending fleet sails dam boat groove into by upper approach, closes the anti-ripple gate in the upper reaches;
2), ship booster supporting compartment moves to the head bay place, and ship reception chamber standard depth (3.5m) graduation mark is flushed with the lock chamber water level, stopping, it is in place to aim at;
3), accomplish ship reception chamber top clamping, sealing, gap water-filling and open drop to the ground door and ship reception chamber upstream extremity on the head bay service gate door of droping to the ground, be communicated with lock chamber and ship reception chamber waters, the railway carriage or compartment is entered by wait fleet;
4), fleet advances the railway carriage or compartment heaving pile, closes the door of droping to the ground on head bay service gate and the ship reception chamber, releases water body between two, regains top clamp mechanism and sealing frame, ship reception chamber is waited to move, and opens the anti-ripple lock chamber gate in the upper reaches simultaneously and waits for that next fleet prepared the dam operation;
5), the decline ship reception chamber, the anti-ripple lock chamber water level in ship reception chamber standard depth (3.5m) graduation mark and downstream is flushed, stop that it is in place to aim at, close the anti-ripple gate in downstream this moment;
6), ship reception chamber releases clamp mechanism and sealing frame, accomplish the clamping of ship reception chamber top, sealing, gap water-filling simultaneously and open the door of droping to the ground on tail-bay and the ship reception chamber; Be communicated with anti-ripple lock chamber and ship reception chamber waters, wait for that fleet goes out the railway carriage or compartment;
7), fleet unties the mooring rope, goes out the railway carriage or compartment in the railway carriage or compartment, sail the anti-ripple lock chamber in downstream into after, close ship reception chamber and tail-bay service gate;
8), open downstream lock chamber water-carriage system, after filling sluicings, treating concora crush, the door of opening on the anti-ripple lock in downstream of droping to the ground is communicated with the lower approach waters, the while ship reception chamber returns head bay to begin to move next time;
9), descending fleet rolls lock chamber away from and gets into lower approach, accomplish fleet's unidirectional operation and cross the dam operation procedure.
Beneficial effect
The navigation channel ship lift device that solution provided by the invention mistake is carried the depth of water the ship lift upstream and downstream adopt set up anti-ripple gate and corresponding auxiliary lock head, lock chamber after; Can improve the safety of ship lift operation process, can not produce the cumulative bad mistake in the ship reception chamber and carry the depth of water.Because the anti-ripple lock chamber in upstream and downstream is the static waters of relative closure, level measuring is easier and precision is higher, can reduce the measure error of water level, and the ship reception chamber positioning accuracy guarantees easily.The method that adopts solution mistake provided by the invention to carry the navigation channel ship lift of the depth of water, ship lift can adapt to the SEA LEVEL VARIATION that upstream and downstream possibly occur in its running.
Description of drawings
Fig. 1 is a plane structure sketch map of the present invention;
Fig. 2 is the anti-ripple gate structure figure in the upper reaches of the present invention;
Fig. 3 is the side-looking structural representation of Fig. 2;
Fig. 4 is the anti-ripple gate structure figure in downstream of the present invention;
Fig. 5 is Fig. 4 side-looking structural representation;
Fig. 6 is a head bay elevation of the present invention;
Fig. 7 is the gate slot sectional drawing of adjusting stoplog of the present invention;
1 is the anti-ripple gates in the upper reaches among the figure, the 2nd, and auxiliary gate pier, the 3rd, dam boat groove, the 4th, ship lift head bay, the 5th, lock head service gate; The 6th, ship reception chamber, the 7th, the ship lift tail-bay, the 8th, the ripple gate is prevented in downstream, the 9th, regulate stoplog, the 10th, working gate slot; The 11st, bridge machine framed bent, the 12nd, bulkhgead gate, the 13rd, the door of droping to the ground, the 14th, headstock gear; The 15th, the Horizontal Branch hinge, the 16th, fill the sluicing wicket, the 17th, loop culvert filling and emptying system, the 18th, maintenance gate slot.
The specific embodiment
Below in conjunction with accompanying drawing to further explain of the present invention:
As shown in the figure: as a kind ofly to solve the navigation channel ship lift device that mistake is carried the depth of water, comprise that the upper reaches prevent ripple gate 1, auxiliary gate pier 2, the dam groove 3 that navigates, ship lift head bay 4; Lock head service gate 5, ship reception chamber 6, ship lift tail-bay 7, ripple gate 8 is prevented in downstream, regulates stoplog 9; Working gate slot 10, bridge machine framed bent 11, bulkhgead gate 12, the door 13 of droping to the ground, headstock gear 14; Horizontal Branch hinge 15 is filled sluicing wicket 16, loop culvert filling and emptying system 17, maintenance gate slot 18.
Gate pier is arranged in dam boat groove 3 both sides, in the dam boat groove 3 ship reception chamber 6 is set, and in the upstream and the catchment of ship reception chamber 6 ship lift head bay 4 and ship lift tail-bay 7 is set respectively; The upstream port of dam boat groove 3 is arranged auxiliary gate pier 2, the anti-ripple door 1 in the interior layout upper reaches of auxiliary gate pier 2, and the anti-ripple door 8 in downstream is arranged in the channel downstream of dam boat groove 3.
The anti-ripple door 8 of anti-ripple door 1 in the upper reaches or downstream is peaceful plate gates 12 that a fan has the door 13 of droping to the ground as shown in Figures 2 and 3.Arrange on the anti-ripple door 1 in the upper reaches that filling sluicing wicket 16 supplies water delivery in the dam boat groove 3; The downstream of dam boat groove 3 are through loop culvert filling and emptying system 17 water deliverys.Gate pier or auxiliary gate pier 2 are to separate gravity abutment pier, the gate slot 10 of assigning a work in the described gate pier, maintenance gate slot 18; Dun Ding arranges bridge machine framed bent 11.
Regulating stoplog 9 is to be embedded in 10 of working gate slot, is put under the massive plate gate 12, is used to regulate massive plate gate height, changes to adapt to flood season level.
Solve mistake and carry the method for the navigation channel ship lift device of the depth of water, method is following:
1), descending fleet sails dam boat groove 3 into by upper approach, closes the anti-ripple gate 1 in the upper reaches;
2), ship booster supporting compartment moves to head bay 4 places, and ship reception chamber 6 standard depths (3.5m) graduation mark is flushed with lock chamber 3 water levels, stopping, it is in place to aim at;
3), accomplish ship reception chamber top clamping, sealing, gap water-filling and open drop to the ground door 13 and ship reception chamber 6 upstream extremities on the head bay service gate 5 door of droping to the ground, be communicated with lock chamber and ship reception chamber waters, the railway carriage or compartment is entered by wait fleet;
4), the railway carriage or compartment heaving pile advances in fleet; Close the door 13 of droping to the ground on head bay service gate 5 and the ship reception chamber 6, release water body between two, regain top clamp mechanism and sealing frame; Ship reception chamber 6 is waited to move, and opens the upper reaches anti-ripple lock chamber gate 1 next fleet of wait simultaneously and prepares the dam operation;
5), decline ship reception chamber 6, the anti-ripple lock chamber water level in ship reception chamber standard depth (3.5m) graduation mark and downstream is flushed, stop that it is in place to aim at, close the anti-ripple gate 8 in downstream this moment;
6), ship reception chamber 6 releases clamp mechanism and sealing frame, accomplish the clamping of ship reception chamber top, sealing, gap water-filling simultaneously and open the door of droping to the ground on tail-bay 7 and the ship reception chamber 6; Be communicated with anti-ripple lock chamber and ship reception chamber waters, wait for that fleet goes out the railway carriage or compartment;
7), fleet unties the mooring rope, goes out the railway carriage or compartment in the railway carriage or compartment, sail the anti-ripple lock chamber in downstream into after, close ship reception chamber 6 and tail-bay service gate 7;
8), open downstream lock chamber water-carriage system 17, after filling sluicings, treating concora crush, the door of opening on the anti-ripple lock 8 in downstream 13 of droping to the ground is communicated with the lower approach waters, the while ship reception chamber returns head bay 4 to begin to move next time;
9), descending fleet rolls lock chamber away from and gets into lower approach, accomplish fleet's unidirectional operation and cross the dam operation procedure.
Claims (6)
1. one kind solves the navigation channel ship lift device that mistake is carried the depth of water, comprises dam boat groove (3), gate pier, ship lift head bay (4), ship reception chamber (6), ship lift tail-bay (7); Gate pier is arranged in described dam boat groove (3) both sides, in the dam boat groove (3) ship reception chamber (6) is set, and in the upstream and the catchment of ship reception chamber (6) ship lift head bay (4) and ship lift tail-bay (7) is set respectively; It is characterized in that: comprise that also the upper reaches prevent ripple door (1), auxiliary gate pier (2), ripple door (8) is prevented in downstream; The upstream port of described dam boat groove (3) is arranged auxiliary gate pier (2), the anti-ripple door (1) in the interior layout upper reaches of auxiliary gate pier (2), and the anti-ripple door (8) in downstream is arranged in the channel downstream of dam boat groove (3).
2. solution mistake according to claim 1 is carried the navigation channel ship lift device of the depth of water, it is characterized in that: the anti-ripple door (8) of anti-ripple door (1) in the described upper reaches or downstream is the peaceful plate gate (12) that a fan has the door (13) of droping to the ground.
3. solution mistake according to claim 1 and 2 is carried the navigation channel ship lift device of the depth of water, it is characterized in that: the anti-ripple door (1) in the upper reaches is gone up and is arranged that filling sluicing wicket (16) supplies the interior water delivery of dam boat groove (3); The downstream of dam boat groove (3) are through loop culvert filling and emptying system (17) water delivery.
4. solution mistake according to claim 1 is carried the navigation channel ship lift device of the depth of water, it is characterized in that: described gate pier or auxiliary gate pier (2) are to separate gravity abutment pier, the gate slot (10) of assigning a work in the described gate pier, maintenance gate slot (18); Dun Ding arranges bridge machine framed bent (11).
5. carry the navigation channel ship lift dress of the depth of water according to claim 2 or 4 described solution mistakes, it is characterized in that: also comprise and regulate stoplog (9); Described adjusting stoplog (9) is to be embedded between working gate slot (10), is positioned over massive plate gate (12) lower end.
6. the method for utilizing the described solution mistake of claim 1 to 4 to carry the navigation channel ship lift device of the depth of water, it is characterized in that: method is following:
1), descending fleet sails dam boat groove (3) into by upper approach, closes the anti-ripple gate (1) in the upper reaches;
2), ship booster supporting compartment moves to head bay (4) and locates, and ship reception chamber (6) standard depth (3.5m) graduation mark is flushed with lock chamber (3) water level, stopping, it is in place to aim at;
3), accomplish ship reception chamber top clamping, sealing, gap water-filling and open drop to the ground door (13) and ship reception chamber (6) upstream extremity on the head bay service gate (5) door of droping to the ground, be communicated with lock chamber and ship reception chamber waters, the railway carriage or compartment is entered by wait fleet;
4), the railway carriage or compartment heaving pile advances in fleet; Close the door (13) of droping to the ground on head bay service gate (5) and the ship reception chamber (6); Release water body between two; Regain top clamp mechanism and sealing frame, ship reception chamber (6) is waited to move, and opens the anti-ripple lock chamber gate (1) in the upper reaches simultaneously and waits for that next fleet prepared the dam operation;
5), decline ship reception chamber (6), the anti-ripple lock chamber water level in ship reception chamber standard depth (3.5m) graduation mark and downstream is flushed, stop that it is in place to aim at, close the anti-ripple gate (8) in downstream this moment;
6), ship reception chamber (6) releases clamp mechanism and sealing frame, accomplish the clamping of ship reception chamber top, sealing, gap water-filling simultaneously and open the door of droping to the ground on tail-bay (7) and the ship reception chamber (6); Be communicated with anti-ripple lock chamber and ship reception chamber waters, wait for that fleet goes out the railway carriage or compartment;
7), fleet unties the mooring rope, goes out the railway carriage or compartment in the railway carriage or compartment, sail the anti-ripple lock chamber in downstream into after, close ship reception chamber (6) and tail-bay service gate (7);
8), open downstream lock chamber water-carriage systems (17), after filling sluicings, treating concora crush, the door of opening on the anti-ripple lock (8) in downstream (13) of droping to the ground is communicated with the lower approach waters, the while ship reception chamber returns head bay (4) to begin to move next time;
9), descending fleet rolls lock chamber away from and gets into lower approach, accomplish fleet's unidirectional operation and cross the dam operation procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170288.8A CN102691285B (en) | 2012-05-29 | 2012-05-29 | Channel ship elevator device and method for solving errors of water depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210170288.8A CN102691285B (en) | 2012-05-29 | 2012-05-29 | Channel ship elevator device and method for solving errors of water depth |
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| Publication Number | Publication Date |
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| CN102691285A true CN102691285A (en) | 2012-09-26 |
| CN102691285B CN102691285B (en) | 2015-04-01 |
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| CN201210170288.8A Expired - Fee Related CN102691285B (en) | 2012-05-29 | 2012-05-29 | Channel ship elevator device and method for solving errors of water depth |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643664A (en) * | 2013-12-26 | 2014-03-19 | 中国水电顾问集团中南勘测设计研究院有限公司 | Vertical ship lift at hydropower station |
| CN110080192A (en) * | 2019-05-29 | 2019-08-02 | 水利部交通运输部国家能源局南京水利科学研究院 | It is a kind of to reduce the technical method that unsteady flow influences in ship lift approach channel |
| CN110552329A (en) * | 2019-09-18 | 2019-12-10 | 杭州国电机械设计研究院有限公司 | Device and method for linkage opening and closing of lock head working door and ship reception chamber working door of ship lift |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099834A (en) * | 1994-05-25 | 1995-03-08 | 余江 | Sum navigation lock |
| CN201546214U (en) * | 2009-09-22 | 2010-08-11 | 河海大学 | Novel inclined plane hydraulic conveyer |
| CN201908290U (en) * | 2010-12-27 | 2011-07-27 | 中国水电顾问集团昆明勘测设计研究院 | Water filling and draining valve device of hydraulic ship lift |
| CN102134846A (en) * | 2011-03-01 | 2011-07-27 | 长江水利委员会长江勘测规划设计研究院 | Underground shiplock arranged in mountain body |
-
2012
- 2012-05-29 CN CN201210170288.8A patent/CN102691285B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1099834A (en) * | 1994-05-25 | 1995-03-08 | 余江 | Sum navigation lock |
| CN201546214U (en) * | 2009-09-22 | 2010-08-11 | 河海大学 | Novel inclined plane hydraulic conveyer |
| CN201908290U (en) * | 2010-12-27 | 2011-07-27 | 中国水电顾问集团昆明勘测设计研究院 | Water filling and draining valve device of hydraulic ship lift |
| CN102134846A (en) * | 2011-03-01 | 2011-07-27 | 长江水利委员会长江勘测规划设计研究院 | Underground shiplock arranged in mountain body |
Non-Patent Citations (2)
| Title |
|---|
| 朱虹: "三峡升船机总体布置设计", 《人民长江》, vol. 40, no. 23, 31 December 2009 (2009-12-31) * |
| 杨文俊等人: "三峡水利枢纽工程非恒定流通航影响研究", 《水利发电学报》, vol. 25, no. 1, 28 February 2006 (2006-02-28) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643664A (en) * | 2013-12-26 | 2014-03-19 | 中国水电顾问集团中南勘测设计研究院有限公司 | Vertical ship lift at hydropower station |
| CN110080192A (en) * | 2019-05-29 | 2019-08-02 | 水利部交通运输部国家能源局南京水利科学研究院 | It is a kind of to reduce the technical method that unsteady flow influences in ship lift approach channel |
| CN110080192B (en) * | 2019-05-29 | 2024-04-05 | 水利部交通运输部国家能源局南京水利科学研究院 | Technical method for reducing influence of unsteady flow in ship lift navigation channel |
| CN110552329A (en) * | 2019-09-18 | 2019-12-10 | 杭州国电机械设计研究院有限公司 | Device and method for linkage opening and closing of lock head working door and ship reception chamber working door of ship lift |
| CN110552329B (en) * | 2019-09-18 | 2024-04-02 | 杭州国电机械设计研究院有限公司 | Device and method for linkage opening and closing of lock head working door and ship receiving chamber working door of ship lift |
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| CN102691285B (en) | 2015-04-01 |
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